Home / 224,281.71-309,516.19-122,312.72

Finding the Fourth Proportional to 224,281.71, 309,516.19 and 122,312.72

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Solution

The fourth proportional to 224,281.71, 309,516.19 and 122,312.72 is: 168,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,281.71 : 309,516.19 = 122,312.72 : x
  2. Step 2: Convert to fraction form
    224,281.71/309,516.19 = 122,312.72/x
  3. Step 3: Cross multiply
    224,281.71x = 309,516.19 × 122,312.72
  4. Step 4: Simplify right side
    224,281.71x = 37,857,767,550.95
  5. Step 5: Solve for x
    x = 37,857,767,550.95/224,281.71
  6. Step 6: Final answer
    x = 168,795.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.